Uninitialized Value in r871xu_drv_init() in Kernel
Summary
GSD-2022-1003204: staging: rtl8712: fix uninit-value in r871xu_drv_init(). Affects Kernel versions < f36e754a1f0bafb9feeea63463de78080acb6de0. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system. The rtl8712 staging driver is responsible for supporting Realtek RTL8712U Wireless LAN 802.11n USB 2.0 devices. This driver allows users to connect to wireless networks using these specific devices. However, a vulnerability has been identified in the r871xu_drv_init() function of the rtl8712 staging driver.
Vulnerability Detail
The vulnerability in r871xu_drv_init() arises from the use of uninitialized values. This can lead to unpredictable behavior and potential security risks. An attacker may be able to exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in the Linux Kernel version v5.15.47 by commit f36e754a1f0bafb9feeea63463de78080acb6de0.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the Linux Kernel, there is no specific workaround available. It is recommended to update the kernel to the fixed version.
Conclusion
In conclusion, the vulnerability in r871xu_drv_init() in the Kernel can lead to unpredictable behavior and potential security risks. It is crucial to update the Linux Kernel to version v5.15.47 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, if successfully exploited, an attacker may be able to execute arbitrary code, escalate privileges, or cause a denial-of-service condition.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for open-source vulnerabilities in real-time.
Yes, a patch has been released in the Linux Kernel version v5.15.47. It is recommended to update the kernel to this version or later to fix the vulnerability.
As this vulnerability has been fixed in the Linux Kernel, there are no specific temporary measures required. It is recommended to update the kernel to the fixed version as soon as possible.
You can refer to the vulnerability details in the GSD database (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1003xxx/GSD-2022-1003204.json) for more information about this vulnerability.
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